Service manual

EPSON 6W\OXV &2/25 1520
Rev. A
5-
4
1. The printer does not operate at all.
START
Is the AC
input voltage
correct?
Apply the correct
AC input voltage.
Check the voltage output
from the CN2 on the
PSB/PSE board.
Is the voltage correct?
Replace the MAIN board.
Is the problem
corrected?
Replace the PSB/PSE
board.
Check the motor and
driver circuits.
(Refer to Section 5.5.)
YES
NO
Has the
fuse (F1) on the
PSB/PSE board
blown?
Does the
fuse blow again
at power on?
Replace the fuse and
disconnect the connector
CN2 on the PSB/PSE
board.
END
NO
YES
YES
NO
YES
NO
YES
NO
Figure 5-2. Flowchart (1)